Hillary Hosier, MD
NPI 1407384522 · Maternal & Fetal Medicine Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hillary Hosier, MD is a Maternal & Fetal Medicine Physician provider in New Haven, CT (NPI 1407384522).
Provider details
- NPI number
- 1407384522
- Entity type
- Individual
- Primary specialty
- Maternal & Fetal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 99193 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-06-02
- Last updated
- 2024-05-14
- Certified
- 2024-05-14
Frequently asked questions
- What is Hillary Hosier's NPI number?
- Hillary Hosier's National Provider Identifier (NPI) is 1407384522, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hillary Hosier's specialty?
- Hillary Hosier is listed in the NPPES registry with a primary specialty of Maternal & Fetal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hillary Hosier located?
- Hillary Hosier's practice location on file with NPPES is 20 York Street, New Haven, CT 06510-3220.
- What is Hillary Hosier's phone number?
- The practice phone number listed in the NPPES registry for Hillary Hosier is (203) 688-4242.
- Does Hillary Hosier accept Medicare?
- Hillary Hosier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hillary Hosier's NPI active?
- Yes — Hillary Hosier's NPI (1407384522) is active in the NPPES registry as of the last update on 2024-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.